Find f(-x) of the function 4x^2+2x-4 SOMEONE PLEASE HELP ASAP WORTH 50 POINTS

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?

This assignment is past the original due date o this data is from a sample. calculate the mean, standard deviation, and variance 16.7 11.1 46.7 14.8 13.3 16.6 18.5 47.3 42,8 show the following answers to 2 decimal places. sample mean- sample standard deviation ( use the standard deviation above for your calculation.) sample variance ooops- now you discover that the data was actually from a population! so now you must give the population standard deviation.

Asap 30 pts + brainliest to right/best answer only answer if you know for sure